Combined Science GCSE
Direction of movement relative to concentration gradients
What Direction of movement relative to concentration gradients means in Combined Science GCSE, as defined for AQA.
Definition of Direction of movement relative to concentration gradients
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Reference: AQA
Diffusion moves any particles down a concentration gradient and osmosis moves water down a water potential gradient, whereas active transport moves substances against a concentration gradient, from lower to higher concentration.
Topics that use Direction of movement relative to concentration gradients
- Active transport (AQA GCSE)
Related terms
- Active transport
- Active transport against a concentration gradient
- Carrier proteins
- Cell respiration
- Concentration gradient
- Diffusion
- Energy requirements and carrier proteins
- Mineral ions and healthy plant growth
Using Direction of movement relative to concentration gradients in the exam
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